Ans. (B). XX, XY ,XX, XY ,XY, XX .
In pigs, the XY-sex determination system is found. According to this system, sex of the organisms can be determined by the presence of a pair of sex chromosomes.
Females have two X chromosomes (represented by XX), and known as homogametic sex, while males have one X and one Y chromosomes (represented by XY), and known as heterogametic sex.
Thus, the correct answer is option (B).
Number 6 is c. number 7 is a. and i'm not sure
of number 8 sorry
Answer:
The atomic number of phosphorus is 15. It has zero charge because it has 15 electrons.
It can be inferred that muscle cells in athletes produce more ATP than muscle cells of those who live sedentary lifestyles.
